<template>
  <div class="app-container">
    <p style="fontweight: bold; margin-bottom: 8px; margin-top: 0">讲师列表</p>
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teachQuery.name" placeholder="讲师名" />
      </el-form-item>

      <el-form-item>
        <el-select v-model="teachQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师" />
          <el-option :value="2" label="首席讲师" />
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teachQuery.startDate"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teachQuery.endDate"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()"
        >查询</el-button
      >
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
    >
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{
            (teachQuery.pageNum - 1) * teachQuery.pageSize + scope.$index + 1
          }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160" />

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit"
              >修改</el-button
            >
          </router-link>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="removeDataById(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="teachQuery.pageNum"
      :page-size="teachQuery.pageSize"
      :total="total"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
import teacher from "@/api/edu/teacher";

export default {
  //代码核心方法

  data() {
    //定义变量和函数值
    return {
      listLoading: false,
      list: null, //查询之后接口放回的集合
      total: 10, //总记录数
      //查询条件
      teachQuery: {
        pageNum: 1, //开始页
        pageSize: 10, //每页记录数
      },
    };
  },

  created() {
    //页面渲染之前执行，一般调用methods中的方法
    this.getList();
  },
  methods: {
    //创建具体的方法，调用teacher.js定义的方法
    getList(page = 1) {
      this.listLoading = true;
      this.teachQuery.pageNum = page;
      teacher
        .getTeacherListPage(this.teachQuery)
        .then((response) => {
          //请求成功，response接口返回的数据
          this.list = response.data.list;
          this.total = response.data.total;
          this.listLoading = false;
        })
        .catch((error) => {
          console.log(error);
        }); //请求失败
    },
    resetData() {
      //清空的方法
      //双向绑定输入框的数据清空
      this.teachQuery = { pageNum: 1, pageSize: 10 };
      this.getList();
    },
    removeDataById(id) {
      this.$confirm("此操作将永久删除讲师记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        //点击确定，执行then方法
        //调用删除的方法
        teacher.deleteTeacherId(id).then((response) => {
          //删除成功
          //提示信息
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          //回到列表页面
          this.getList();
        });
      }); //点击取消，执行catch方法
    },
  },
};
</script>